motorr50 Posted February 3, 2009 Share Posted February 3, 2009 I'm need a new fuel pump ballast resistor mine is cracked down the center. The closes one I can find is on Jegs and it 1.0 ohms vs mj oem 1.1 ohms.Would a .1 ohm drop still be functional? Thanks, Mike Link to comment Share on other sites More sharing options...
Jeepman Posted February 3, 2009 Share Posted February 3, 2009 Go to mopar they are maybe $8.00 for a New One... Mopar Part #3300-0682 Link to comment Share on other sites More sharing options...
motorr50 Posted February 3, 2009 Author Share Posted February 3, 2009 Thank you Sir!! Link to comment Share on other sites More sharing options...
rworks Posted February 3, 2009 Share Posted February 3, 2009 How important is the ballast resistor? My 87 doesn't have one since the rebuild two years ago and runs fine. Link to comment Share on other sites More sharing options...
BLHTAZ Posted February 3, 2009 Share Posted February 3, 2009 It will work without it, but it's purpose was to reduce voltage going to the pump after startup to reduce noice and extend the life of the pump. Link to comment Share on other sites More sharing options...
HOrnbrod Posted February 4, 2009 Share Posted February 4, 2009 :thumbsup: Link to comment Share on other sites More sharing options...
rworks Posted February 4, 2009 Share Posted February 4, 2009 It will work without it, but it's purpose was to reduce voltage going to the pump after startup to reduce noice and extend the life of the pump. Then it probably is a moot point, since my fuel pump is from a Mustang. Link to comment Share on other sites More sharing options...
HOrnbrod Posted February 4, 2009 Share Posted February 4, 2009 You're prolly right. Most Chryco, GM, Mercedes, and others had ballast resistors of varying values in the fuel pump circuit, but I don't think Fords used them AFAIK. :D Link to comment Share on other sites More sharing options...
mjeff87 Posted February 4, 2009 Share Posted February 4, 2009 totally eliminated mine from the circuit on my 4.0 swap.....don't even notice that it's not there :cheers: Jeff Link to comment Share on other sites More sharing options...
HOrnbrod Posted February 4, 2009 Share Posted February 4, 2009 Hopefully your fuel pump won't notice it either for a loooooong time Jeff-man. :D Link to comment Share on other sites More sharing options...
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